TY - JOUR AU - B. M. Gurevič TI - Certain conditions for the existence of $K$-decompositions for special flows JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1967 SP - 89 EP - 116 VL - 17 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1967_17_a2/ LA - ru ID - MMO_1967_17_a2 ER -